Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Dongwoo Fine-Chem Co., Ltd.

Mi Young Kim

Jung Hoe Kim

Yong Hwan Park

Eun Mi Oh

So Yeon Park

Kwang Hyeok Kim

Ki Hyun Choo

Seong Jun Lee

Sang Hyun Jun

Yong-Hwan Park

Chi Wook An

Byeong Kyu Jeon

In Nam Lee

Ho Sang Sung

Chang Bum Kim

Eunmi Oh

Kyoung Hun Been

Jin Woo Kim

Hyun Jae Lee

Ki-hyun Choo

Young Sik Kim

Sung Hwan Kim

Hyun Yeul Lee

Jae Hoon Lee

Young-Sik Kim

Hwan Shim

Hyung Chul Kim

Do Yeon Kim

Jaehyun Lee

Hwan Hee Jeong

Jung Mok Park

Do Hyung Ryu

Soon Gyu Lee

Young Woo Park

Boris D Kudryashov

Il Joo Kim

Jung Hwi Kim

Hae Goo Jung

Young Seok Yoo

Jin A Kang

Jae Woo Song

Sug Woo Jung

Kyo Won Ku

Hee Yeon Choi

Ji Yeon Baek

Sang Chui Lee

Dongpil Park

Sang Huyn Jun

Young Mi Hur

Mi Rim Hong

Kirill Yurkov

Dong Goo Bae

A method for restoring an image of a fingerprint sensor is described. The method includes capturing, by the fingerprint sensor, a fake fingerprint image from a fake fingerprint; calculating a phase of the fake fingerprint from the fake fingerprint image; capturing a plurality of target fingerprint images at measurement times by a fingerprint sensor disposed on a rear side of a display panel; applying the calculated phase to each of the acquired target fingerprint images; and combining information from each of the plurality of target fingerprint images to generate a final fingerprint image.

Method and apparatus for restoring image of fingerprint sensor

A touch sensor includes a sensing electrode that receives a touch input disposed on a sensing area of a substrate; and a plurality of sensing lines disposed on a non-sensing area of the substrate. Each of the plurality of sensing lines includes a first area and a second area, and first and second metal layers electrically coupled to the sensing electrode. The second metal layer is disposed on the first metal layer, and an insulating layer is interposed between the first and second metal layers. The sensing lines include first and second sensing lines. The first and second sensing lines include the first and second metal layers in the first area. The first sensing line includes the first metal layer without the second metal layer in the second area, and the second sensing line includes the second metal layer without the first metal layer in the second area.

Touch sensor and display device including the same

A display device includes a display panel including pixels and a scan driver for driving the pixels. The pixels are in a display area and the scan driver is in a non-display area. A touch sensing unit is disposed on the display panel and includes touch electrodes disposed in a sensing area and touch sensing lines connected to the touch electrodes. The non-display area includes at least one multiplexer, the touch sensing lines are electrically connected to input terminals of the at least one multiplexer through touch contact holes formed on the display panel. Sensing channels electrically connected to output terminals of the multiplexer are parallel to the scan driver. The at least one multiplexer is disposed between the sensing channels and the scan driver.

Display device including a touch sensing unit

A method for calculating a reference value of an ultrasonic sensor includes: transmitting a first ultrasonic signal from the ultrasonic sensor toward a first surface of a contact device while an object is positioned on the first surface; generating a plurality of ultrasonic images based on a first ultrasonic echo signal; selecting an ultrasonic image having a highest similarity to a reference image from among the ultrasonic images; storing a first parameter and a second parameter corresponding to a selected ultrasonic image; while the object is not positioned on the first surface, transmitting a second ultrasonic signal based on the first parameter from the ultrasonic sensor toward the first surface; and calculating the reference value of the ultrasonic sensor using the second parameter and a second ultrasonic echo signal.

Method and system for calculating reference value of ultrasonic sensor

A fingerprint authentication device includes: a sensor unit configured to output a sensing signal by sensing a fingerprint; an image processing unit configured to generate a fingerprint image based on the sensing signal; a storage unit configured to store a template including an enrolled image; and a learning unit configured to generate a first pseudo image and add the first pseudo image to the template.

Fingerprint authentication device, display device including the same, and method of authenticating fingerprint

A display device, including a substrate; a pixel electrode and an opposing electrode on the substrate; an encapsulation portion on the opposing electrode, the encapsulation portion including at least one organic layer and at least one inorganic layer alternately deposited; and a planarization layer on the encapsulation portion, the planarization layer including a portion covering an edge portion of the encapsulation portion, a first angle between an edge side surface of the planarization layer and a surface of the substrate being larger than a second angle between an edge side surface of the encapsulation portion and the surface of the substrate.

Display device

A display device including a substrate including a display area including a plurality of pixels and a non-display area adjacent to the display area, a plurality of sensing electrodes disposed to overlap with the display area, a plurality of display pads disposed along a first direction in the non-display area, a plurality of sensing pads disposed between the display pads, and a multiplexer electrically connecting the sensing electrodes and the sensing pads. The multiplexer is adjacent to at least one of the sensing pads in the first direction.

Display device which minimizes dead space

A display device includes: a display unit including a flat part and a curved part which is formed to be bent from sides of the flat part; a sensing unit on the display unit to overlap with the flat part and the curved part; and a passivation layer on the sensing unit, wherein the passivation layer overlaps with the flat part and the passivation layer does not overlap the curved part.

A display device according to an embodiment of the present disclosure includes a display panel including a display region and a non-display region, and a sensor unit which is disposed on the display panel and includes a sensing region and a non-sensing region. The sensor unit includes a touch sensor unit which detects a touch input in the sensing region and a photo sensor unit which detects ambient illuminance.

A display device includes a display member including a substrate and a plurality of light-emitting elements disposed on the substrate, a sensing member disposed on the display member, and a polarizing member disposed on the sensing member. The sensing member includes a sensing insulating layer and a sensing conductive layer disposed on the sensing insulating layer. The polarizing member includes a polarizing layer and a polarizing adhesive layer disposed between the polarizing layer and the sensing conductive layer. The polarizing adhesive layer is in contact with the sensing conductive layer.

Display device having reduced thickness, and method for fabricating the display device

An input sensing device includes a first base layer, a plurality of first sensing electrodes, a plurality of second sensing electrodes, a plurality of third sensing electrodes, and a plurality of fourth sensing electrodes. The first sensing electrodes are arranged on the first base layer along a first direction. The second sensing electrodes are arranged on the first base layer in different rows from the first sensing electrodes. The third sensing electrodes are arranged on the second sensing electrodes along a second direction different from the first direction. The third sensing electrodes overlap the second sensing electrodes. The fourth sensing electrodes are arranged on the same layer as the third sensing electrodes and overlap the first sensing electrodes. A constant voltage is applied to the third sensing electrodes during a touch pressure sensing operation.

Input sensing device and display device including the same

A touch screen and a display device having the same are disclosed. The touch screen includes an insulating substrate including a sensing region and a peripheral region, a plurality of sensing electrodes disposed in the sensing region, a plurality of wirings disposed in the peripheral region and electrically connected to the plurality of sensing electrodes, a plurality of pads disposed in the peripheral region and electrically connected to the plurality of wirings, an optical film disposed on an upper portion of the plurality of sensing electrodes, a flexible circuit board electrically connected to the plurality of pads, and a reinforcing member disposed on the flexible circuit board corresponding to the plurality of pads, wherein a first height measured from the insulating substrate to an upper surface of the reinforcing member is equal to a second height measured from the insulating substrate to an upper surface of the optical film.

Touch screen and display device having the same

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Yongin-si, South Korea

Mi Young Kim